Initial Import
Checkin the initial perf2gv.py, gv2link.py, and COPYING
Add example files generated from postgres

The postgres12.* files were generated from a run of pgbench the the
sediment scripts:

perf report > postgres12.out
perf2pv.py < postgres12.out > postgres12.gv
gv2link.py < postgres12.gv > postgres12.link
dot -Tsvg < postgres12.gv > postgres12.svg

The postgres12.gv was ge
Add skeleton for documentation.
Add basic infrastructure for building the package
Correct the configuration so include docuemtation files in the distribution
Remove auto generated file.
Remove auto generated file
Update the spec file to something that will build
remove generated file.
Include a list of files that git should ignore.
RPM should be built as noarch
Add write-dot-callgraph.py static call graph info collector
Add Principles of Operation documentation.
Add the examples directory to the package.
Update Principles of OPerations pop.rst

Include pointers to the examples.
Fix up the references and citations.
Turn off requirement for package that is not yet available.
Include documentation in the install.
Correct Taras Glek's name in references.
Adjust the handling of gv input to allow parsing gprof2dot output

gprof2dot is a program that can take output from gprof, callgrind, and
perf and produce a dot output file.  The format is different from what
sediment currently used for the edge labels.  The main interest for
sediment is the number of times that the edge is taken.  A function,
extract_weight, has been added to extract that information from the
edge label.